The Collaborative International Dictionary of English v.0.48:

Sappho \Sap"pho\, n. [See Sapphic.] (Zool.)
   Any one of several species of brilliant South American
   humming birds of the genus Sappho, having very
   bright-colored and deeply forked tails; -- called also
   firetail.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Sappho
    n 1: the Greek lyric poet of Lesbos; much admired although only
         fragments of her poetry have been preserved (6th century
         BC)